U.S. patent number D274,257 [Application Number 06/257,180] was granted by the patent office on 1984-06-12 for precision bore fused silica tubing with tapered section. This patent grant is currently assigned to J&W Scientific, Inc.. Invention is credited to Rand G. Jenkins, Norman W. Wohlers.
United States Patent | D274,257 |
Jenkins , et al. | June 12, 1984 |
Inventors: | Jenkins; Rand G. (Fair Oaks, CA), Wohlers; Norman W. (Davis, CA) |
---|---|
Assignee: | J&W Scientific, Inc.
(Rancho Cordova, CA) |
Appl. No.: | 06/257,180 |
Filed: | April 24, 1981 |
Current U.S. Class: | D24/112 |
Field of Search: | ;210/657,660,665,667 ;D24/1.1,99,8,31,32 |
D262573 | January 1982 | Wohlers |
3775309 | November 1973 | Ito et al. |
3796657 | March 1974 | Pretorius |
4169790 | October 1979 | Pretorius |
Fisher Scientific 1981, .COPYRGT.1980, p. 193 Chromatography Jar, Round Pyrex, Cat. No. 05-719-8A.. |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.